Hanga Roa weather in September
September in Hanga Roa: nice, dry, with clean air — an excellent time to visit.
#5 of 12 months in Hanga Roa · #263 of 604 destinations to visit in September · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Hanga Roa climate normals — September
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.9 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Hanga Roa?
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Hanga Roa in September — FAQ
- Is September a good time to visit Hanga Roa?
- September in Hanga Roa: nice, dry, with clean air — an excellent time to visit. It ranks #5 of 12 months for Hanga Roa on SeasonMap's comfort score (82/100).
- What is the weather like in Hanga Roa in September?
- In September, Hanga Roa averages a daily high of 18.9°C and a low of 17.8°C, with about 15.6 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Hanga Roa in September?
- Hanga Roa has a mean US Air Quality Index of about 41 in September.